Napkin holder



FIG. 1 is a perspective view of a napkin holder, showing our new design;

FIG. 2 is a front view of the napkin holder of FIG. 1;

FIG. 3 is a side view of the napkin holder of FIG. 1:

FIG. 4 is a top view of the napkin holder of FIG. 1; and,

FIG. 5 is a bottom view of the napkin holder of FIG. 1. 

CLAIM The ornamental design for a napkin holder, as shown and described. 